//
// Created by 王书哲 on 25-3-15.
//
#include <stdio.h>
#include <string.h>
#define M1 "How are ya, sweetie?"
char M2[40] = "Beat the clock.";
char *M3 =  "chat";
int main(void)
{
    char words[80];
    printf(M1);
    puts(M1);
    puts(M2 + 1);
    strcpy(words, M2);
    strcat(words, " Win a toy.");
    puts(words);
    words[4] = '\0';
    puts(words);
    while (*M3) {
        puts(M3++);
    }
    puts(--M3);
    puts(--M3);
    M3 = M1;
    puts(M3);
    return 0;
}